atozshop11 Square Hole Drill Bit, 1/2 Inch Woodworking Mortiser Drill Bit, Hollow Chisel Mortise Drill Tool (12.7MM)

Specification: Materials:high speed steel Size:12.7mm Type: hole opener Features: -Arc design, exquisite sharpen durable. -Square hole drill is mainly used for woodworking aspects. -Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries. Package Included: 1 x Square Hole Drill